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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4814) Configurable DataXceiver thread stack size
Date Fri, 10 May 2013 23:53:16 GMT
Tsz Wo (Nicholas), SZE created HDFS-4814:
--------------------------------------------

             Summary: Configurable DataXceiver thread stack size
                 Key: HDFS-4814
                 URL: https://issues.apache.org/jira/browse/HDFS-4814
             Project: Hadoop HDFS
          Issue Type: New Feature
          Components: datanode
            Reporter: Tsz Wo (Nicholas), SZE
            Assignee: Tsz Wo (Nicholas), SZE


By default, Java creates a thread with 512kB stack size.  In Datanode, we may have 4096 or
more DataXceiver threads.  These threads do not require such large stack size and unnecessarily
occupy a large amount of memory.

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